Question

Simplify the following expression

(-1+i)+(21+5i)
A. 0 -1+ (1+21) + 5i
B. 20+68
C. 20+5i
D 22+6i

Answer 1

i would say the answer is 20 + 6i but thats not an answer

-1 + 21 = 20

and

i + 5i = 6i

so

20 + 6i

hope this helped!